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HC257 Datasheet Quad. 2-to-1-line Data Selectors/multiplexers(with Noninverted 3-state Outputs)

Manufacturer: Hitachi Semiconductor (now Renesas)

Overview: HD74HC257 Quad. 2-to-1-line Data Selectors/Multiplexers (with noninverted 3-state.

General Description

The large output drive capability coupled with the 3-state

Key Features

  • High Speed Operation: tpd (Data to Y) = 10.5 ns typ (CL = 50 pF) High Output Current: Fanout of 15 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) Function Table Inputs Output Control L L L L H Select L L H H X A L H X X X B X X L H X Outputs Y L H L H High impedance Notes H: high level, L: low level, X: irrelevant HD74HC257 Pin Arrangement Select.

HC257 from other manufacturers

See all manufacturers

Brand Logo Part Number Description Other Manufacturers
System Logic Semiconductor Logo HC257 Quad 2-Input Data Selector/Multiplexer with 3-State Outputs System Logic Semiconductor
Motorola Inc Logo HC257 Quad 2-Input Data Selector/Multiplexer with 3-State Outputs Motorola Inc
STMicroelectronics Logo HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE STMicroelectronics
Toshiba Semiconductor Logo HC257 QUAD 2-CHANEL MULTIPLEXER (3-STATE) Toshiba Semiconductor

More Datasheets from Hitachi Semiconductor (now Renesas)

Part Number Description

HC257 Distributor